Microfauna 3, Term 4, Late Albian, Koudiat el Beida, Tunisia: Late/Upper Albian, Tunisia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
- Platycopida
- Cytherellidae
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Cytherelloidea sp.
Alexander 1929
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Ostracoda
- Podocopida
- Trachyleberididae
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Cythereis fahrinoni
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Cythereis gueltaensis n. sp.
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Rehacythereis sifiensis n. sp.
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Ostracoda
- Podocopida
- Cytheridae
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Centrocythere tunetana
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| spelled with current rank as Neocythere (Centrocythere) | ||||||||||
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Ostracoda
- Podocopida
- Cytheruridae
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Eucytherura kokhavensis
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Eucytherura cf. multituberculata
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Eocytheropteron glintzboeckeli
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| original and current combination Cytheropteron (Eocytheropteron) | ||||||||||
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Ostracoda
- Podocopida
- Bairdiidae
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Bairdia sp.
M'Coy 1844
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Ostracoda
- Podocopida
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Cornicythereis vivieri n. sp.
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Nodosariata
- Robertinida
- Epistominidae
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Epistomina sp.
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Nodosariata
- Nodosariida
- Nodosariidae
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Nodosariidae indet.
Ehrenberg 1838
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Rotaliporidae
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Rotalipora ticinensis
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| Rotalipora ticinensis ticinensis | ||||||||||
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Haplophragmoiidae
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Triplasia acutocarinata
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Lituolida
- Lituolidae
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Dorothia filiformis
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| see common names | ||||||||||
Geography
| Country: | Tunisia |
| Coordinates: | 36.6° North, 8.8° East (view map) |
| Paleocoordinates: | 19.2° North, 9.1° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Late/Upper Albian | ||
| Age range of interval: | 106.20000 - 100.50000 m.y. ago |
Stratigraphy
| Formation: | fahdène | ||||
| Local section: | Jebel Mrhila | Local bed: | Term 4 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: The association 3 is for the uppermost part of the term 4 only | |||||
Lithology and environment
| Primary lithology: | lithified sandy packstone |
| Secondary lithology: | glauconitic,phosphatic,pyritic poorly lithified marl |
| Includes fossils? | Y |
| Environment: | transition zone/lower shoreface |
| Glacial or sequence phase: | regressive |
| Geology comments: The term 4 counts 270 meters of wackestone-Packestone rich in sponge spicules and/or pithonelids interbeded with marls. Regressive trend from the base to the top.
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Taphonomy
| Modes of preservation: | body |
| Size of fossils: | microfossils |
| Preservation of anatomical detail: | good |
| Articulated whole bodies: | many |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 56816 | ||
| Authorizer: | L. Villier | Enterer: | L. Villier | Research group: | marine invertebrate |
| Created: | 2005-11-26 09:29:34 | Last modified: | 2005-11-26 11:29:34 |
| Access level: | the public | Released: | 2005-11-26 09:29:33 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 15309. | 1% 3120 | I. Zghal, R. Damotte, and H. Bismuth. 1996. Les ostracodes de l'Albien du Koudiat el Beida (J. Mrhila, Tunisie centrale). Revue de Micropaléontologie 39(1):67-90 [L. Villier/L. Villier] |